#ifndef DEBUG_H_
#define DEBUG_H_

/* Some screen stuff. */
/* The number of columns. */
#define COLUMNS                 80
/* The number of lines. */
#define LINES                   24
/* The attribute of an character. */
#define ATTRIBUTE               7
/* The video memory address. */
#define VIDEO                   0xB8000

void pause(void);     
void debugf(const char *format, ...);
void cls(void);
void itoa(char *buf, int base, int d);
void putchar(int c);
void putchar_at(int c, int attrib, int x, int y);

#endif /*DEBUG_H_*/
